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Fencer Vulns
medium 5.5

CVE-2019-15118 json

check_input_term in sound/usb/mixer.c in the Linux kernel through 5.2.9 mishandles recursion, leading to kernel stack exhaustion.

published 2019-08-16 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-6189

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

check_input_term in sound/usb/mixer.c in the Linux kernel through 5.2.9 mishandles recursion, leading to kernel stack exhaustion.

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 5.2.17-1

debian advisories DEBIAN-CVE-2019-15118

  • linux Ubuntu 16.04 LTS 4.4.0-166.195
  • linux Ubuntu 18.04 LTS 4.15.0-66.75
  • linux-aws Ubuntu 16.04 LTS 4.4.0-1096.107
  • linux-aws Ubuntu 18.04 LTS 4.15.0-1052.54
  • linux-gcp Ubuntu 16.04 LTS 4.15.0-1047.50
  • linux-gcp Ubuntu 18.04 LTS 5.0.0-1020.20~18.04.1
  • linux-hwe Ubuntu 16.04 LTS 4.15.0-66.75~16.04.1
  • linux-hwe Ubuntu 18.04 LTS 5.0.0-31.33~18.04.1

ubuntu advisories UBUNTU-CVE-2019-15118

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ocfs2 SLE High Availability Extension 11 SP4 1.6-0.28.11.2
  • kernel-ec2 SLE Module for Public Cloud 12 3.12.74-60.64.124.1
  • kernel-rt SLE Real Time 12 SP4 4.12.14-8.6.1
  • kernel-syms-rt SLE Real Time 12 SP4 4.12.14-8.6.1
  • kernel-rt_debug SLE Real Time 12 SP4 4.12.14-8.6.1
  • kernel-source-rt SLE Real Time 12 SP4 4.12.14-8.6.1
  • kernel-rt Real Time Module 15 SP1 4.12.14-14.11.1
  • kernel-syms-rt Real Time Module 15 SP1 4.12.14-14.11.1

suse advisories SUSE-SU-2019:14218-1SUSE-SU-2019:2950-1SUSE-SU-2019:2756-1SUSE-SU-2019:2738-1SUSE-SU-2019:2658-1SUSE-SU-2019:2651-1

  • kernel-syms openSUSE Leap 15.1 4.12.14-lp151.28.16.1
  • kernel-obs-qa openSUSE Leap 15.1 4.12.14-lp151.28.16.1
  • kernel-source openSUSE Leap 15.1 4.12.14-lp151.28.16.1
  • kernel-default openSUSE Leap 15.1 4.12.14-lp151.28.16.1
  • kernel-vanilla openSUSE Leap 15.1 4.12.14-lp151.28.16.1
  • kernel-kvmsmall openSUSE Leap 15.1 4.12.14-lp151.28.16.1
  • kernel-obs-build openSUSE Leap 15.1 4.12.14-lp151.28.16.1
  • kernel-syms openSUSE Leap 15.0 4.12.14-lp150.12.73.1

opensuse advisories openSUSE-SU-2019:2181-1openSUSE-SU-2019:2173-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-15118 updated cvss 6.5

kernel: mishandling recursion in sound/usb/mixer.c leading to kernel stack exhaustion and crash

  • Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 7 perf, kernel, kernel-alt, python-perf, kernel-kdump, kernel-tools, +3 more Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    affected: workaround, no fix planned “Will not fix”
  • Red Hat Enterprise Linux 7 kernel, bpftool, kernel-rt, kernel-rt-kvm, kernel-rt-trace, kernel-rt-debug-kvm, +1 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.